Home / 20,124.27-27,774.68-19,238.31

Finding the Fourth Proportional to 20,124.27, 27,774.68 and 19,238.31

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Solution

The fourth proportional to 20,124.27, 27,774.68 and 19,238.31 is: 26,551.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,124.27 : 27,774.68 = 19,238.31 : x
  2. Step 2: Convert to fraction form
    20,124.27/27,774.68 = 19,238.31/x
  3. Step 3: Cross multiply
    20,124.27x = 27,774.68 × 19,238.31
  4. Step 4: Simplify right side
    20,124.27x = 534,337,807.80
  5. Step 5: Solve for x
    x = 534,337,807.80/20,124.27
  6. Step 6: Final answer
    x = 26,551.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.